6 questions Basic

ECADEMY test

15 - Pump sizing

This course test contains 6 questions and can be retaken at any time.

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Question 5 of 6 Basic

5 Identify the factors that are not considered for calculating the total pump head requirements?

Question 6 of 6 Basic

6 Which of the following parameters is determined by the amount of water to be applied during the peak period?

Question 6 of 6 Basic

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Correct
Q: What are the two factors that should be ensured when the total head for a ground water pump is calculated?
A: There is no suction lift. Instead there is static water table and the drawdown has to be added to the elevation lift.
Correct
Q: Which of the following options is true about a centrifugal pump?
A: If the pump is pumping at a lower flow, it delivers a higher head.
Correct
Q: How do we calculate head requirement from the pump?
A: Elevation lift + static water level + drawdown in the well + pressure head of the application device + friction loss in the pipes
Correct
Q: What determines the minimum flow of a pump?
A: The amount of water that needs to be applied to the crops during peak periods.
Correct
Q: Identify the factors that are not considered for calculating the total pump head requirements?
A: Pump flow
Correct
Q: Which of the following parameters is determined by the amount of water to be applied during the peak period?
A: The minimum size of the pump